/* Project-owned styles; system fonts keep every page local and fast. */
:root { color-scheme: light; --navy: #12283f; --teal: #08776c; --muted: #526172; --line: #dce4e8; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; color: var(--navy); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 1.0625rem; line-height: 1.7; }
a { color: var(--teal); text-underline-offset: .22em; text-decoration-thickness: .08em; }
a:hover { text-decoration-thickness: .15em; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; }
.shell { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 30px; border-bottom: 1px solid var(--line); }
.brand { font-size: 1.3rem; font-weight: 750; color: var(--navy); text-decoration: none; letter-spacing: -.04em; }
.brand-dot { color: var(--teal); }
nav { display: flex; gap: 28px; flex-wrap: wrap; }
nav a { color: var(--navy); font-size: .95rem; text-decoration: none; padding-block: 6px; }
nav a:hover, nav a[aria-current] { color: var(--teal); text-decoration: underline; }
.skip-link { position: absolute; top: -100px; left: 20px; background: white; padding: 12px; z-index: 10; }
.skip-link:focus { top: 10px; }
.hero { padding: 92px 0 84px; }
.eyebrow { color: var(--teal); font-size: .76rem; text-transform: uppercase; letter-spacing: .15em; font-weight: 700; margin: 0 0 22px; }
h1, h2, h3 { line-height: 1.17; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.4rem, 5vw, 4.3rem); font-weight: 700; margin: 0 0 28px; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.35rem; }
.intro { font-size: 1.2rem; color: var(--muted); max-width: 650px; }
.hero-links { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; align-items: center; gap: 28px; background: var(--navy); color: white; text-decoration: none; border-radius: 4px; padding: 12px 20px; }
.button:hover { background: var(--teal); }
.home-writing { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; padding-block: 42px 60px; }
.home-writing h2 { max-width: 400px; margin: 0; }
.home-writing .eyebrow { margin-bottom: 12px; }
.home-writing p:not(.eyebrow) { color: var(--muted); }
.page { padding-block: 70px 90px; min-height: 55vh; }
.prose { max-width: 740px; }
.prose h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); }
.prose h2, .prose h3 { margin-top: 2em; scroll-margin-top: 24px; }
.prose img { max-width: 100%; height: auto; }
.prose pre { overflow-x: auto; padding: 20px; border: 1px solid var(--line); border-radius: 5px; line-height: 1.6; }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; overflow-wrap: anywhere; }
pre code { overflow-wrap: normal; }
.prose :not(pre) > code { background: #eef3f4; padding: .12em .25em; }
.prose blockquote { border-left: 3px solid var(--teal); margin-left: 0; padding-left: 24px; color: var(--muted); }
.prose table { display: block; overflow-x: auto; border-collapse: collapse; }
th, td { padding: 10px; border: 1px solid var(--line); }
.article-meta, .post-list time { color: var(--muted); font-size: .9rem; }
.toc { background: #f4f8f8; border-left: 3px solid var(--teal); padding: 20px 24px; margin-block: 32px; }
.toc h2 { font-size: 1rem; margin: 0; }
.toc nav { display: block; }
.toc ul { padding-left: 22px; }
.code-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.copy-button { font: inherit; font-size: .85rem; cursor: pointer; color: var(--navy); background: white; border: 1px solid var(--muted); border-radius: 4px; padding: 5px 12px; }
.copy-status { font-size: .85rem; }
.post-list { list-style: none; padding: 0; }
.post-list li { padding-block: 24px; border-bottom: 1px solid var(--line); }
.post-list h2 { margin-block: 8px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 28px 36px; }
.footer-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-top > span { font-weight: 650; font-size: .95rem; }
.site-footer p { font-size: .8rem; color: var(--muted); margin-bottom: 0; }
@media (max-width: 640px) {
  .shell { width: calc(100% - 40px); }
  .site-header { align-items: flex-start; flex-direction: column; gap: 12px; padding-block: 22px; }
  nav { gap: 24px; }
  .hero { padding-block: 56px; }
  .wide-only { display: none; }
  .home-writing { grid-template-columns: 1fr; gap: 12px; }
  .page { padding-block: 48px 64px; }
  .footer-top { align-items: flex-start; flex-direction: column; gap: 12px; }
}